Re: [PATCH] Make shr to divide by power of 2

[Sergey Senozhatsky]

On (08/07/09 08:50), Andi Kleen wrote:
> Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx> writes:
> >
> > Of course, compiler supposed to do something like
> > 	add    $0x7,%eax
> > 	shr    $0x3,%eax
> > instead of div. Should we rely on this?
> 
> Yes. We should rely on this. 
> 

grep -cR '>> 3' bitblit.c 
5

and only 1 '/8'.

	Sergey

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